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Finding the Fourth Proportional to 134,667.20, 202,000.80 and 41,160.80

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Solution

The fourth proportional to 134,667.20, 202,000.80 and 41,160.80 is: 61,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.20 : 202,000.80 = 41,160.80 : x
  2. Step 2: Convert to fraction form
    134,667.20/202,000.80 = 41,160.80/x
  3. Step 3: Cross multiply
    134,667.20x = 202,000.80 × 41,160.80
  4. Step 4: Simplify right side
    134,667.20x = 8,314,514,528.64
  5. Step 5: Solve for x
    x = 8,314,514,528.64/134,667.20
  6. Step 6: Final answer
    x = 61,741.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.